From 59e7361cc791e5103be1712dc59a2055f118d0da Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Wed, 13 Jan 2016 14:25:58 +0100 Subject: [PATCH] hwcontext: add a QSV implementation --- doc/APIchanges | 4 + libavutil/Makefile | 3 + libavutil/hwcontext.c | 3 + libavutil/hwcontext.h | 1 + libavutil/hwcontext_internal.h | 1 + libavutil/hwcontext_qsv.c | 791 +++++++++++++++++++++++++++++++++ libavutil/hwcontext_qsv.h | 53 +++ libavutil/version.h | 2 +- 8 files changed, 857 insertions(+), 1 deletion(-) create mode 100644 libavutil/hwcontext_qsv.c create mode 100644 libavutil/hwcontext_qsv.h diff --git a/doc/APIchanges b/doc/APIchanges index e251490944..74316ed7c1 100644 --- a/doc/APIchanges +++ b/doc/APIchanges @@ -13,6 +13,10 @@ libavutil: 2015-08-28 API changes, most recent first: +2016-xx-xx - xxxxxxx - lavu 55.16.0 - hwcontext.h hwcontext_qsv.h + Add AV_HWDEVICE_TYPE_QSV and a new installed header with QSV-specific + hwcontext definitions. + 2016-xx-xx - xxxxxxx - lavc 57.23.0 - avcodec.h AVCodecContext.hw_frames_ctx now may be used by decoders. diff --git a/libavutil/Makefile b/libavutil/Makefile index 637ad3bf97..b10b4d26a6 100644 --- a/libavutil/Makefile +++ b/libavutil/Makefile @@ -27,6 +27,7 @@ HEADERS = adler32.h \ hwcontext.h \ hwcontext_cuda.h \ hwcontext_dxva2.h \ + hwcontext_qsv.h \ hwcontext_vaapi.h \ hwcontext_vdpau.h \ imgutils.h \ @@ -110,6 +111,7 @@ OBJS = adler32.o \ OBJS-$(CONFIG_CUDA) += hwcontext_cuda.o OBJS-$(CONFIG_DXVA2) += hwcontext_dxva2.o +OBJS-$(CONFIG_LIBMFX) += hwcontext_qsv.o OBJS-$(CONFIG_LZO) += lzo.o OBJS-$(CONFIG_VAAPI) += hwcontext_vaapi.o OBJS-$(CONFIG_VDPAU) += hwcontext_vdpau.o @@ -118,6 +120,7 @@ OBJS += $(COMPAT_OBJS:%=../compat/%) SKIPHEADERS-$(CONFIG_CUDA) += hwcontext_cuda.h SKIPHEADERS-$(CONFIG_DXVA2) += hwcontext_dxva2.h +SKIPHEADERS-$(CONFIG_LIBMFX) += hwcontext_qsv.h SKIPHEADERS-$(CONFIG_VAAPI) += hwcontext_vaapi.h SKIPHEADERS-$(CONFIG_VDPAU) += hwcontext_vdpau.h SKIPHEADERS-$(HAVE_ATOMICS_GCC) += atomic_gcc.h diff --git a/libavutil/hwcontext.c b/libavutil/hwcontext.c index 3028b67a6c..96b316afa8 100644 --- a/libavutil/hwcontext.c +++ b/libavutil/hwcontext.c @@ -35,6 +35,9 @@ static const HWContextType *hw_table[] = { #if CONFIG_DXVA2 &ff_hwcontext_type_dxva2, #endif +#if CONFIG_LIBMFX + &ff_hwcontext_type_qsv, +#endif #if CONFIG_VAAPI &ff_hwcontext_type_vaapi, #endif diff --git a/libavutil/hwcontext.h b/libavutil/hwcontext.h index d8e7c3f090..f15cf7ccdf 100644 --- a/libavutil/hwcontext.h +++ b/libavutil/hwcontext.h @@ -29,6 +29,7 @@ enum AVHWDeviceType { AV_HWDEVICE_TYPE_CUDA, AV_HWDEVICE_TYPE_VAAPI, AV_HWDEVICE_TYPE_DXVA2, + AV_HWDEVICE_TYPE_QSV, }; typedef struct AVHWDeviceInternal AVHWDeviceInternal; diff --git a/libavutil/hwcontext_internal.h b/libavutil/hwcontext_internal.h index 2e1daaeeeb..a391e2599e 100644 --- a/libavutil/hwcontext_internal.h +++ b/libavutil/hwcontext_internal.h @@ -101,6 +101,7 @@ struct AVHWFramesInternal { extern const HWContextType ff_hwcontext_type_cuda; extern const HWContextType ff_hwcontext_type_dxva2; +extern const HWContextType ff_hwcontext_type_qsv; extern const HWContextType ff_hwcontext_type_vaapi; extern const HWContextType ff_hwcontext_type_vdpau; diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c new file mode 100644 index 0000000000..b222da2e4d --- /dev/null +++ b/libavutil/hwcontext_qsv.c @@ -0,0 +1,791 @@ +/* + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +#include + +#include "config.h" + +#if CONFIG_VAAPI +#include "hwcontext_vaapi.h" +#endif +#if CONFIG_DXVA2 +#include "hwcontext_dxva2.h" +#endif + +#include "buffer.h" +#include "common.h" +#include "hwcontext.h" +#include "hwcontext_internal.h" +#include "hwcontext_qsv.h" +#include "mem.h" +#include "pixfmt.h" +#include "pixdesc.h" +#include "time.h" + +typedef struct QSVDevicePriv { + AVBufferRef *child_device_ctx; +} QSVDevicePriv; + +typedef struct QSVDeviceContext { + mfxHDL handle; + mfxHandleType handle_type; + mfxVersion ver; + mfxIMPL impl; + + enum AVHWDeviceType child_device_type; + enum AVPixelFormat child_pix_fmt; +} QSVDeviceContext; + +typedef struct QSVFramesContext { + mfxSession session_download; + mfxSession session_upload; + + AVBufferRef *child_frames_ref; + mfxFrameSurface1 *surfaces_internal; + int nb_surfaces_used; + + // used in the frame allocator for non-opaque surfaces + mfxMemId *mem_ids; + // used in the opaque alloc request for opaque surfaces + mfxFrameSurface1 **surface_ptrs; + + mfxExtOpaqueSurfaceAlloc opaque_alloc; + mfxExtBuffer *ext_buffers[1]; +} QSVFramesContext; + +static const struct { + mfxHandleType handle_type; + enum AVHWDeviceType device_type; + enum AVPixelFormat pix_fmt; +} supported_handle_types[] = { +#if CONFIG_VAAPI + { MFX_HANDLE_VA_DISPLAY, AV_HWDEVICE_TYPE_VAAPI, AV_PIX_FMT_VAAPI }, +#endif +#if CONFIG_DXVA2 + { MFX_HANDLE_D3D9_DEVICE_MANAGER, AV_HWDEVICE_TYPE_DXVA2, AV_PIX_FMT_DXVA2_VLD }, +#endif + { 0 }, +}; + +static const struct { + enum AVPixelFormat pix_fmt; + uint32_t fourcc; +} supported_pixel_formats[] = { + { AV_PIX_FMT_NV12, MFX_FOURCC_NV12 }, +}; + +static int qsv_device_init(AVHWDeviceContext *ctx) +{ + AVQSVDeviceContext *hwctx = ctx->hwctx; + QSVDeviceContext *s = ctx->internal->priv; + + mfxStatus err; + int i; + + for (i = 0; supported_handle_types[i].handle_type; i++) { + err = MFXVideoCORE_GetHandle(hwctx->session, supported_handle_types[i].handle_type, + &s->handle); + if (err == MFX_ERR_NONE) { + s->handle_type = supported_handle_types[i].handle_type; + s->child_device_type = supported_handle_types[i].device_type; + s->child_pix_fmt = supported_handle_types[i].pix_fmt; + break; + } + } + if (!s->handle) { + av_log(ctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved " + "from the session\n"); + } + + err = MFXQueryIMPL(hwctx->session, &s->impl); + if (err == MFX_ERR_NONE) + err = MFXQueryVersion(hwctx->session, &s->ver); + if (err != MFX_ERR_NONE) { + av_log(ctx, AV_LOG_ERROR, "Error querying the session attributes\n"); + return AVERROR_UNKNOWN; + } + + return 0; +} + +static void qsv_frames_uninit(AVHWFramesContext *ctx) +{ + QSVFramesContext *s = ctx->internal->priv; + + if (s->session_download) { + MFXVideoVPP_Close(s->session_download); + MFXClose(s->session_download); + } + s->session_download = NULL; + + if (s->session_upload) { + MFXVideoVPP_Close(s->session_upload); + MFXClose(s->session_upload); + } + s->session_upload = NULL; + + av_freep(&s->mem_ids); + av_freep(&s->surface_ptrs); + av_freep(&s->surfaces_internal); + av_buffer_unref(&s->child_frames_ref); +} + +static void qsv_pool_release_dummy(void *opaque, uint8_t *data) +{ +} + +static AVBufferRef *qsv_pool_alloc(void *opaque, int size) +{ + AVHWFramesContext *ctx = (AVHWFramesContext*)opaque; + QSVFramesContext *s = ctx->internal->priv; + AVQSVFramesContext *hwctx = ctx->hwctx; + + if (s->nb_surfaces_used < hwctx->nb_surfaces) { + s->nb_surfaces_used++; + return av_buffer_create((uint8_t*)(s->surfaces_internal + s->nb_surfaces_used - 1), + sizeof(*hwctx->surfaces), qsv_pool_release_dummy, NULL, 0); + } + + return NULL; +} + +static int qsv_init_child_ctx(AVHWFramesContext *ctx) +{ + AVQSVFramesContext *hwctx = ctx->hwctx; + QSVFramesContext *s = ctx->internal->priv; + QSVDeviceContext *device_priv = ctx->device_ctx->internal->priv; + + AVBufferRef *child_device_ref = NULL; + AVBufferRef *child_frames_ref = NULL; + + AVHWDeviceContext *child_device_ctx; + AVHWFramesContext *child_frames_ctx; + + int i, ret = 0; + + if (!device_priv->handle) { + av_log(ctx, AV_LOG_ERROR, + "Cannot create a non-opaque internal surface pool without " + "a hardware handle\n"); + return AVERROR(EINVAL); + } + + child_device_ref = av_hwdevice_ctx_alloc(device_priv->child_device_type); + if (!child_device_ref) + return AVERROR(ENOMEM); + child_device_ctx = (AVHWDeviceContext*)child_device_ref->data; + +#if CONFIG_VAAPI + if (child_device_ctx->type == AV_HWDEVICE_TYPE_VAAPI) { + AVVAAPIDeviceContext *child_device_hwctx = child_device_ctx->hwctx; + child_device_hwctx->display = (VADisplay)device_priv->handle; + } +#endif +#if CONFIG_DXVA2 + if (child_device_ctx->type == AV_HWDEVICE_TYPE_DXVA2) { + AVDXVA2DeviceContext *child_device_hwctx = child_device_ctx->hwctx; + child_device_hwctx->devmgr = (IDirect3DDeviceManager9*)device_priv->handle; + } +#endif + + ret = av_hwdevice_ctx_init(child_device_ref); + if (ret < 0) { + av_log(ctx, AV_LOG_ERROR, "Error initializing a child device context\n"); + goto fail; + } + + child_frames_ref = av_hwframe_ctx_alloc(child_device_ref); + if (!child_frames_ref) { + ret = AVERROR(ENOMEM); + goto fail; + } + child_frames_ctx = (AVHWFramesContext*)child_frames_ref->data; + + child_frames_ctx->format = device_priv->child_pix_fmt; + child_frames_ctx->sw_format = ctx->sw_format; + child_frames_ctx->initial_pool_size = ctx->initial_pool_size; + child_frames_ctx->width = ctx->width; + child_frames_ctx->height = ctx->height; + +#if CONFIG_DXVA2 + if (child_device_ctx->type == AV_HWDEVICE_TYPE_DXVA2) { + AVDXVA2FramesContext *child_frames_hwctx = child_frames_ctx->hwctx; + if (hwctx->frame_type & MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET) + child_frames_hwctx->surface_type = DXVA2_VideoProcessorRenderTarget; + else + child_frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget; + } +#endif + + ret = av_hwframe_ctx_init(child_frames_ref); + if (ret < 0) { + av_log(ctx, AV_LOG_ERROR, "Error initializing a child frames context\n"); + goto fail; + } + +#if CONFIG_VAAPI + if (child_device_ctx->type == AV_HWDEVICE_TYPE_VAAPI) { + AVVAAPIFramesContext *child_frames_hwctx = child_frames_ctx->hwctx; + for (i = 0; i < ctx->initial_pool_size; i++) + s->surfaces_internal[i].Data.MemId = child_frames_hwctx->surface_ids + i; + hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET; + } +#endif +#if CONFIG_DXVA2 + if (child_device_ctx->type == AV_HWDEVICE_TYPE_DXVA2) { + AVDXVA2FramesContext *child_frames_hwctx = child_frames_ctx->hwctx; + for (i = 0; i < ctx->initial_pool_size; i++) + s->surfaces_internal[i].Data.MemId = (mfxMemId)child_frames_hwctx->surfaces[i]; + if (child_frames_hwctx->surface_type == DXVA2_VideoProcessorRenderTarget) + hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET; + else + hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET; + } +#endif + + s->child_frames_ref = child_frames_ref; + child_frames_ref = NULL; + +fail: + av_buffer_unref(&child_device_ref); + av_buffer_unref(&child_frames_ref); + return ret; +} + +static int qsv_init_pool(AVHWFramesContext *ctx, uint32_t fourcc) +{ + QSVFramesContext *s = ctx->internal->priv; + AVQSVFramesContext *frames_hwctx = ctx->hwctx; + const AVPixFmtDescriptor *desc; + + int i, ret = 0; + + desc = av_pix_fmt_desc_get(ctx->sw_format); + if (!desc) + return AVERROR_BUG; + + if (ctx->initial_pool_size <= 0) { + av_log(ctx, AV_LOG_ERROR, "QSV requires a fixed frame pool size\n"); + return AVERROR(EINVAL); + } + + s->surfaces_internal = av_mallocz_array(ctx->initial_pool_size, + sizeof(*s->surfaces_internal)); + if (!s->surfaces_internal) + return AVERROR(ENOMEM); + + for (i = 0; i < ctx->initial_pool_size; i++) { + mfxFrameSurface1 *surf = &s->surfaces_internal[i]; + + surf->Info.BitDepthLuma = desc->comp[0].depth; + surf->Info.BitDepthChroma = desc->comp[0].depth; + surf->Info.Shift = desc->comp[0].depth > 8; + + if (desc->log2_chroma_w && desc->log2_chroma_h) + surf->Info.ChromaFormat = MFX_CHROMAFORMAT_YUV420; + else if (desc->log2_chroma_w) + surf->Info.ChromaFormat = MFX_CHROMAFORMAT_YUV422; + else + surf->Info.ChromaFormat = MFX_CHROMAFORMAT_YUV444; + + surf->Info.FourCC = fourcc; + surf->Info.Width = ctx->width; + surf->Info.CropW = ctx->width; + surf->Info.Height = ctx->height; + surf->Info.CropH = ctx->height; + surf->Info.FrameRateExtN = 25; + surf->Info.FrameRateExtD = 1; + } + + if (!(frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME)) { + ret = qsv_init_child_ctx(ctx); + if (ret < 0) + return ret; + } + + ctx->internal->pool_internal = av_buffer_pool_init2(sizeof(mfxFrameSurface1), + ctx, qsv_pool_alloc, NULL); + if (!ctx->internal->pool_internal) + return AVERROR(ENOMEM); + + frames_hwctx->surfaces = s->surfaces_internal; + frames_hwctx->nb_surfaces = ctx->initial_pool_size; + + return 0; +} + +static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, + mfxFrameAllocResponse *resp) +{ + AVHWFramesContext *ctx = pthis; + QSVFramesContext *s = ctx->internal->priv; + AVQSVFramesContext *hwctx = ctx->hwctx; + mfxFrameInfo *i = &req->Info; + mfxFrameInfo *i1 = &hwctx->surfaces[0].Info; + + if (!(req->Type & MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET) || + !(req->Type & (MFX_MEMTYPE_FROM_VPPIN | MFX_MEMTYPE_FROM_VPPOUT)) || + !(req->Type & MFX_MEMTYPE_EXTERNAL_FRAME)) + return MFX_ERR_UNSUPPORTED; + if (i->Width != i1->Width || i->Height != i1->Height || + i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) { + av_log(ctx, AV_LOG_ERROR, "Mismatching surface properties in an " + "allocation request: %dx%d %d %d vs %dx%d %d %d\n", + i->Width, i->Height, i->FourCC, i->ChromaFormat, + i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat); + return MFX_ERR_UNSUPPORTED; + } + + resp->mids = s->mem_ids; + resp->NumFrameActual = hwctx->nb_surfaces; + + return MFX_ERR_NONE; +} + +static mfxStatus frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp) +{ + return MFX_ERR_NONE; +} + +static mfxStatus frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr) +{ + return MFX_ERR_UNSUPPORTED; +} + +static mfxStatus frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr) +{ + return MFX_ERR_UNSUPPORTED; +} + +static mfxStatus frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl) +{ + *hdl = mid; + return MFX_ERR_NONE; +} + +static int qsv_init_internal_session(AVHWFramesContext *ctx, + mfxSession *session, int upload) +{ + QSVFramesContext *s = ctx->internal->priv; + AVQSVFramesContext *frames_hwctx = ctx->hwctx; + QSVDeviceContext *device_priv = ctx->device_ctx->internal->priv; + int opaque = !!(frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME); + + mfxFrameAllocator frame_allocator = { + .pthis = ctx, + .Alloc = frame_alloc, + .Lock = frame_lock, + .Unlock = frame_unlock, + .GetHDL = frame_get_hdl, + .Free = frame_free, + }; + + mfxVideoParam par; + mfxStatus err; + + err = MFXInit(device_priv->impl, &device_priv->ver, session); + if (err != MFX_ERR_NONE) { + av_log(ctx, AV_LOG_ERROR, "Error initializing an internal session\n"); + return AVERROR_UNKNOWN; + } + + if (device_priv->handle) { + err = MFXVideoCORE_SetHandle(*session, device_priv->handle_type, + device_priv->handle); + if (err != MFX_ERR_NONE) + return AVERROR_UNKNOWN; + } + + if (!opaque) { + err = MFXVideoCORE_SetFrameAllocator(*session, &frame_allocator); + if (err != MFX_ERR_NONE) + return AVERROR_UNKNOWN; + } + + memset(&par, 0, sizeof(par)); + + if (opaque) { + par.ExtParam = s->ext_buffers; + par.NumExtParam = FF_ARRAY_ELEMS(s->ext_buffers); + par.IOPattern = upload ? MFX_IOPATTERN_OUT_OPAQUE_MEMORY : + MFX_IOPATTERN_IN_OPAQUE_MEMORY; + } else { + par.IOPattern = upload ? MFX_IOPATTERN_OUT_VIDEO_MEMORY : + MFX_IOPATTERN_IN_VIDEO_MEMORY; + } + + par.IOPattern |= upload ? MFX_IOPATTERN_IN_SYSTEM_MEMORY : + MFX_IOPATTERN_OUT_SYSTEM_MEMORY; + par.AsyncDepth = 1; + + par.vpp.In = frames_hwctx->surfaces[0].Info; + + /* Apparently VPP requires the frame rate to be set to some value, otherwise + * init will fail (probably for the framerate conversion filter). Since we + * are only doing data upload/download here, we just invent an arbitrary + * value */ + par.vpp.In.FrameRateExtN = 25; + par.vpp.In.FrameRateExtD = 1; + par.vpp.Out = par.vpp.In; + + err = MFXVideoVPP_Init(*session, &par); + if (err != MFX_ERR_NONE) { + av_log(ctx, AV_LOG_ERROR, "Error opening the internal VPP session\n"); + return AVERROR_UNKNOWN; + } + + return 0; +} + +static int qsv_frames_init(AVHWFramesContext *ctx) +{ + QSVFramesContext *s = ctx->internal->priv; + AVQSVFramesContext *frames_hwctx = ctx->hwctx; + + int opaque = !!(frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME); + + uint32_t fourcc = 0; + int i, ret; + + for (i = 0; i < FF_ARRAY_ELEMS(supported_pixel_formats); i++) { + if (supported_pixel_formats[i].pix_fmt == ctx->sw_format) { + fourcc = supported_pixel_formats[i].fourcc; + break; + } + } + if (!fourcc) { + av_log(ctx, AV_LOG_ERROR, "Unsupported pixel format\n"); + return AVERROR(ENOSYS); + } + + if (!ctx->pool) { + ret = qsv_init_pool(ctx, fourcc); + if (ret < 0) { + av_log(ctx, AV_LOG_ERROR, "Error creating an internal frame pool\n"); + return ret; + } + } + + if (opaque) { + s->surface_ptrs = av_mallocz_array(frames_hwctx->nb_surfaces, + sizeof(*s->surface_ptrs)); + if (!s->surface_ptrs) + return AVERROR(ENOMEM); + + for (i = 0; i < frames_hwctx->nb_surfaces; i++) + s->surface_ptrs[i] = frames_hwctx->surfaces + i; + + s->opaque_alloc.In.Surfaces = s->surface_ptrs; + s->opaque_alloc.In.NumSurface = frames_hwctx->nb_surfaces; + s->opaque_alloc.In.Type = frames_hwctx->frame_type; + + s->opaque_alloc.Out = s->opaque_alloc.In; + + s->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION; + s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc); + + s->ext_buffers[0] = (mfxExtBuffer*)&s->opaque_alloc; + } else { + s->mem_ids = av_mallocz_array(frames_hwctx->nb_surfaces, sizeof(*s->mem_ids)); + if (!s->mem_ids) + return AVERROR(ENOMEM); + + for (i = 0; i < frames_hwctx->nb_surfaces; i++) + s->mem_ids[i] = frames_hwctx->surfaces[i].Data.MemId; + } + + ret = qsv_init_internal_session(ctx, &s->session_download, 0); + if (ret < 0) + return ret; + + ret = qsv_init_internal_session(ctx, &s->session_upload, 1); + if (ret < 0) + return ret; + + return 0; +} + +static int qsv_get_buffer(AVHWFramesContext *ctx, AVFrame *frame) +{ + frame->buf[0] = av_buffer_pool_get(ctx->pool); + if (!frame->buf[0]) + return AVERROR(ENOMEM); + + frame->data[3] = frame->buf[0]->data; + frame->format = AV_PIX_FMT_QSV; + frame->width = ctx->width; + frame->height = ctx->height; + + return 0; +} + +static int qsv_transfer_get_formats(AVHWFramesContext *ctx, + enum AVHWFrameTransferDirection dir, + enum AVPixelFormat **formats) +{ + enum AVPixelFormat *fmts; + + fmts = av_malloc_array(2, sizeof(*fmts)); + if (!fmts) + return AVERROR(ENOMEM); + + fmts[0] = ctx->sw_format; + fmts[1] = AV_PIX_FMT_NONE; + + *formats = fmts; + + return 0; +} + +static int qsv_transfer_data_from(AVHWFramesContext *ctx, AVFrame *dst, + const AVFrame *src) +{ + QSVFramesContext *s = ctx->internal->priv; + mfxFrameSurface1 out = {{ 0 }}; + mfxFrameSurface1 *in = (mfxFrameSurface1*)src->data[3]; + + mfxSyncPoint sync = NULL; + mfxStatus err; + + out.Info = in->Info; + out.Data.PitchLow = dst->linesize[0]; + out.Data.Y = dst->data[0]; + out.Data.U = dst->data[1]; + out.Data.V = dst->data[2]; + out.Data.A = dst->data[3]; + + do { + err = MFXVideoVPP_RunFrameVPPAsync(s->session_download, in, &out, NULL, &sync); + if (err == MFX_WRN_DEVICE_BUSY) + av_usleep(1); + } while (err == MFX_WRN_DEVICE_BUSY); + + if (err < 0 || !sync) { + av_log(ctx, AV_LOG_ERROR, "Error downloading the surface\n"); + return AVERROR_UNKNOWN; + } + + do { + err = MFXVideoCORE_SyncOperation(s->session_download, sync, 1000); + } while (err == MFX_WRN_IN_EXECUTION); + if (err < 0) { + av_log(ctx, AV_LOG_ERROR, "Error synchronizing the operation: %d\n", err); + return AVERROR_UNKNOWN; + } + + return 0; +} + +static int qsv_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst, + const AVFrame *src) +{ + QSVFramesContext *s = ctx->internal->priv; + mfxFrameSurface1 in = {{ 0 }}; + mfxFrameSurface1 *out = (mfxFrameSurface1*)dst->data[3]; + + mfxSyncPoint sync = NULL; + mfxStatus err; + + in.Info = out->Info; + in.Data.PitchLow = src->linesize[0]; + in.Data.Y = src->data[0]; + in.Data.U = src->data[1]; + in.Data.V = src->data[2]; + in.Data.A = src->data[3]; + + do { + err = MFXVideoVPP_RunFrameVPPAsync(s->session_upload, &in, out, NULL, &sync); + if (err == MFX_WRN_DEVICE_BUSY) + av_usleep(1); + } while (err == MFX_WRN_DEVICE_BUSY); + + if (err < 0 || !sync) { + av_log(ctx, AV_LOG_ERROR, "Error uploading the surface\n"); + return AVERROR_UNKNOWN; + } + + do { + err = MFXVideoCORE_SyncOperation(s->session_upload, sync, 1000); + } while (err == MFX_WRN_IN_EXECUTION); + if (err < 0) { + av_log(ctx, AV_LOG_ERROR, "Error synchronizing the operation\n"); + return AVERROR_UNKNOWN; + } + + return 0; +} + +static int qsv_frames_get_constraints(AVHWDeviceContext *ctx, + const void *hwconfig, + AVHWFramesConstraints *constraints) +{ + int i; + + constraints->valid_sw_formats = av_malloc_array(FF_ARRAY_ELEMS(supported_pixel_formats) + 1, + sizeof(*constraints->valid_sw_formats)); + if (!constraints->valid_sw_formats) + return AVERROR(ENOMEM); + + for (i = 0; i < FF_ARRAY_ELEMS(supported_pixel_formats); i++) + constraints->valid_sw_formats[i] = supported_pixel_formats[i].pix_fmt; + constraints->valid_sw_formats[FF_ARRAY_ELEMS(supported_pixel_formats)] = AV_PIX_FMT_NONE; + + constraints->valid_hw_formats = av_malloc_array(2, sizeof(*constraints->valid_hw_formats)); + if (!constraints->valid_hw_formats) + return AVERROR(ENOMEM); + + constraints->valid_hw_formats[0] = AV_PIX_FMT_QSV; + constraints->valid_hw_formats[1] = AV_PIX_FMT_NONE; + + return 0; +} + +static void qsv_device_free(AVHWDeviceContext *ctx) +{ + AVQSVDeviceContext *hwctx = ctx->hwctx; + QSVDevicePriv *priv = ctx->user_opaque; + + if (hwctx->session) + MFXClose(hwctx->session); + + av_buffer_unref(&priv->child_device_ctx); + av_freep(&priv); +} + +static mfxIMPL choose_implementation(const char *device) +{ + static const struct { + const char *name; + mfxIMPL impl; + } impl_map[] = { + { "auto", MFX_IMPL_AUTO }, + { "sw", MFX_IMPL_SOFTWARE }, + { "hw", MFX_IMPL_HARDWARE }, + { "auto_any", MFX_IMPL_AUTO_ANY }, + { "hw_any", MFX_IMPL_HARDWARE_ANY }, + { "hw2", MFX_IMPL_HARDWARE2 }, + { "hw3", MFX_IMPL_HARDWARE3 }, + { "hw4", MFX_IMPL_HARDWARE4 }, + }; + + mfxIMPL impl = MFX_IMPL_AUTO_ANY; + int i; + + if (device) { + for (i = 0; i < FF_ARRAY_ELEMS(impl_map); i++) + if (!strcmp(device, impl_map[i].name)) { + impl = impl_map[i].impl; + break; + } + if (i == FF_ARRAY_ELEMS(impl_map)) + impl = strtol(device, NULL, 0); + } + + return impl; +} + +static int qsv_device_create(AVHWDeviceContext *ctx, const char *device, + AVDictionary *opts, int flags) +{ + AVQSVDeviceContext *hwctx = ctx->hwctx; + QSVDevicePriv *priv; + enum AVHWDeviceType child_device_type; + AVDictionaryEntry *e; + + mfxVersion ver = { { 3, 1 } }; + mfxIMPL impl; + mfxHDL handle; + mfxHandleType handle_type; + mfxStatus err; + int ret; + + priv = av_mallocz(sizeof(*priv)); + if (!priv) + return AVERROR(ENOMEM); + + ctx->user_opaque = priv; + ctx->free = qsv_device_free; + + e = av_dict_get(opts, "child_device", NULL, 0); + + if (CONFIG_VAAPI) + child_device_type = AV_HWDEVICE_TYPE_VAAPI; + else if (CONFIG_DXVA2) + child_device_type = AV_HWDEVICE_TYPE_DXVA2; + else { + av_log(ctx, AV_LOG_ERROR, "No supported child device type is enabled\n"); + return AVERROR(ENOSYS); + } + + ret = av_hwdevice_ctx_create(&priv->child_device_ctx, child_device_type, + e ? e->value : NULL, NULL, 0); + if (ret < 0) + return ret; + + { + AVHWDeviceContext *child_device_ctx = (AVHWDeviceContext*)priv->child_device_ctx->data; +#if CONFIG_VAAPI + AVVAAPIDeviceContext *child_device_hwctx = child_device_ctx->hwctx; + handle_type = MFX_HANDLE_VA_DISPLAY; + handle = (mfxHDL)child_device_hwctx->display; +#elif CONFIG_DXVA2 + AVDXVA2DeviceContext *child_device_hwctx = child_device_ctx->hwctx; + handle_type = MFX_HANDLE_D3D9_DEVICE_MANAGER; + handle = (mfxHDL)child_device_hwctx->devmgr; +#endif + } + + impl = choose_implementation(device); + + err = MFXInit(impl, &ver, &hwctx->session); + if (err != MFX_ERR_NONE) { + av_log(ctx, AV_LOG_ERROR, "Error initializing an MFX session\n"); + return AVERROR_UNKNOWN; + } + + err = MFXVideoCORE_SetHandle(hwctx->session, handle_type, handle); + if (err != MFX_ERR_NONE) + return AVERROR_UNKNOWN; + + return 0; +} + +const HWContextType ff_hwcontext_type_qsv = { + .type = AV_HWDEVICE_TYPE_QSV, + .name = "QSV", + + .device_hwctx_size = sizeof(AVQSVDeviceContext), + .device_priv_size = sizeof(QSVDeviceContext), + .frames_hwctx_size = sizeof(AVQSVFramesContext), + .frames_priv_size = sizeof(QSVFramesContext), + + .device_create = qsv_device_create, + .device_init = qsv_device_init, + .frames_get_constraints = qsv_frames_get_constraints, + .frames_init = qsv_frames_init, + .frames_uninit = qsv_frames_uninit, + .frames_get_buffer = qsv_get_buffer, + .transfer_get_formats = qsv_transfer_get_formats, + .transfer_data_to = qsv_transfer_data_to, + .transfer_data_from = qsv_transfer_data_from, + + .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_QSV, AV_PIX_FMT_NONE }, +}; diff --git a/libavutil/hwcontext_qsv.h b/libavutil/hwcontext_qsv.h new file mode 100644 index 0000000000..8f9d3d2010 --- /dev/null +++ b/libavutil/hwcontext_qsv.h @@ -0,0 +1,53 @@ +/* + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_HWCONTEXT_QSV_H +#define AVUTIL_HWCONTEXT_QSV_H + +#include + +/** + * @file + * An API-specific header for AV_HWDEVICE_TYPE_QSV. + * + * This API does not support dynamic frame pools. AVHWFramesContext.pool must + * contain AVBufferRefs whose data pointer points to an mfxFrameSurface1 struct. + */ + +/** + * This struct is allocated as AVHWDeviceContext.hwctx + */ +typedef struct AVQSVDeviceContext { + mfxSession session; +} AVQSVDeviceContext; + +/** + * This struct is allocated as AVHWFramesContext.hwctx + */ +typedef struct AVQSVFramesContext { + mfxFrameSurface1 *surfaces; + int nb_surfaces; + + /** + * A combination of MFX_MEMTYPE_* describing the frame pool. + */ + int frame_type; +} AVQSVFramesContext; + +#endif /* AVUTIL_HWCONTEXT_QSV_H */ + diff --git a/libavutil/version.h b/libavutil/version.h index 09d3713285..d13794cc50 100644 --- a/libavutil/version.h +++ b/libavutil/version.h @@ -54,7 +54,7 @@ */ #define LIBAVUTIL_VERSION_MAJOR 55 -#define LIBAVUTIL_VERSION_MINOR 15 +#define LIBAVUTIL_VERSION_MINOR 16 #define LIBAVUTIL_VERSION_MICRO 0 #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \